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2103122131 = 11434446347
BaseRepresentation
bin111110101011011…
…0001100011010011
312102120101200012021
41331112301203103
513301344402011
6544405112311
7103055146255
oct17526614323
95376350167
102103122131
1198a180870
124a83b8697
13276941c86
1415d45dcd5
15c4982471
hex7d5b18d3

2103122131 has 8 divisors (see below), whose sum is σ = 2347671744. Its totient is φ = 1867465320.

The previous prime is 2103122123. The next prime is 2103122167. The reversal of 2103122131 is 1312213012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103122131 - 23 = 2103122123 is a prime.

It is a super-2 number, since 2×21031221312 = 8846245395803962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103122531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222701 + ... + 2223646.

It is an arithmetic number, because the mean of its divisors is an integer number (293458968).

Almost surely, 22103122131 is an apocalyptic number.

2103122131 is a deficient number, since it is larger than the sum of its proper divisors (244549613).

2103122131 is a wasteful number, since it uses less digits than its factorization.

2103122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446401.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2103122131 is about 45859.8095395086. The cubic root of 2103122131 is about 1281.2134754894.

Adding to 2103122131 its reverse (1312213012), we get a palindrome (3415335143).

The spelling of 2103122131 in words is "two billion, one hundred three million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 11 43 473 4446347 48909817 191192921 2103122131